package day03;

public class OperDemo5 {
    public static void main(String[] args) {
        //字符串连接运算符 +
        int age = 25;
        System.out.println("age=");
        System.out.println(age);
        System.out.println("age = "+age);
        System.out.println("我今年"+age+"岁了");

        String name = "WP";
        System.out.println("大家好，我叫"+name+",今年"+age+"岁了");

        System.out.println(10+20+""+30);
        System.out.println(""+10+20+30);
        System.out.println(10+20+30+"");

    }
}
